Vicki Gunvalson Reveals She Cheated on Donn While They Were Married

In Real Housewives of Orange County Season 8, Episode 14, Vicki reveals to the other women she and Donn were both unfaithful during their marriage while going through periodic separations. The news was music to Gretchen's ears, who's endured accusations from Vicki that she cheated on her now-deceased fiance years ago.